﻿// NClass - Free class diagram editor
// Copyright (C) 2006-2009 Balazs Tihanyi
// 
// This program is free software; you can redistribute it and/or modify it under 
// the terms of the GNU General Public License as published by the Free Software 
// Foundation; either version 3 of the License, or (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful, but WITHOUT 
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 
// FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along with 
// this program; if not, write to the Free Software Foundation, Inc., 
// 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

using System;
using System.Drawing;
using System.Windows.Forms;

namespace NClass.DiagramEditor
{
	public interface IDocumentVisualizer
	{
		event EventHandler DocumentRedrawed;
		event EventHandler VisibleAreaChanged;


		bool HasDocument { get; }

		IDocument Document { get; }

		Point Offset { get; set; }

		Size DocumentSize { get; }

		Rectangle VisibleArea { get; }

		float Zoom { get; }


		void ChangeZoom(bool enlarge);
		
		void ChangeZoom(float zoom);

		void AutoZoom();

		void AutoZoom(bool selectedOnly);

		void DrawDocument(Graphics g);
	}
}
